KVM: arm64: nv: Clarify safety of allowing TLBI unmaps to reschedule

There's been a decent amount of attention around unmaps of nested MMUs,
and TLBI handling is no exception to this. Add a comment clarifying why
it is safe to reschedule during a TLBI unmap, even without a reference
on the MMU in progress.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20241007233028.2236133-5-oliver.upton@linux.dev
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Oliver Upton 2024-10-07 23:30:28 +00:00 • committed by Marc Zyngier
commit 79cc6cdb93